1. Check USB connection: Perform interactive checks through the Samsung Members apps (Samsung members>Get Help>Interactive checks>Charger/USB). 2. If USB connection works than check device in safe mode: Power off the device>Press and hold the Power key for one or two seconds to turn on the device>When the Samsung logo appears, press and hold the Volume down key. Note : To exit safe mode, restart the device 3. Reset the device: Navigate to apps screen and tap on Settings>General Management> Reset> Reset settings(Reset all settings to their default) Note: Please take backup of the date before resetting the device.
If issue still persist or for further assistance, kindly register your concern in Samsung members app (Samsung Member > Get help > send feedback > Ask question/Error report)
